close

Request to close the Channel and notify the ChannelFuture once the operation completes,
either because the operation was successful or because of
an error.
After it is closed it is not possible to reuse it again.

close

Request to close the Channel and notify the ChannelFuture once the operation completes,
either because the operation was successful or because of
an error.
After it is closed it is not possible to reuse it again.
The given ChannelPromise will be notified.

disconnect

Request to disconnect from the remote peer and notify the ChannelFuture once the operation completes,
either because the operation was successful or because of an error.
The given ChannelPromise will be notified.